diff --git a/runprebuild.bat b/runprebuild.bat
index ea12a86f38..dc840b4f36 100755
--- a/runprebuild.bat
+++ b/runprebuild.bat
@@ -11,4 +11,8 @@ rem    @echo dotnet build --configuration Debug OpenSim.sln > compile.bat
 if exist "bin\addin-db-002" (
 	del /F/Q/S bin\addin-db-002 > NUL
 	rmdir /Q/S bin\addin-db-002
-	)
\ No newline at end of file
+	)
+if exist "bin\addin-db-004" (
+	del /F/Q/S bin\addin-db-004 > NUL
+	rmdir /Q/S bin\addin-db-004
+	)	
\ No newline at end of file